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<?php |
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namespace kalanis\Restful\Security; |
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use kalanis\Restful\Exceptions\InvalidStateException; |
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use kalanis\Restful\Http\IInput; |
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use kalanis\Restful\Mapping\IMapper; |
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use kalanis\Restful\Mapping\MapperContext; |
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use Nette\Http\IRequest; |
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/** |
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* Default auth token calculator implementation |
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* @package kalanis\Restful\Security |
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*/ |
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class HashCalculator implements IAuthTokenCalculator |
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{ |
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/** Fingerprint hash algorithm */ |
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public const HASH = 'sha256'; |
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private string $privateKey = ''; |
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private IMapper $mapper; |
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public function __construct( |
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MapperContext $mapperContext, |
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IRequest $httpRequest, |
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) |
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{ |
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$this->mapper = $mapperContext->getMapper($httpRequest->getHeader('content-type')); |
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} |
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/** |
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* Set hash data calculator mapper |
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*/ |
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public function setMapper(IMapper $mapper): static |
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{ |
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$this->mapper = $mapper; |
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return $this; |
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} |
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/** |
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* Set hash calculator security private key |
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* @param string $key |
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* @return $this |
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*/ |
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public function setPrivateKey(#[\SensitiveParameter] string $key): static |
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{ |
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$this->privateKey = $key; |
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return $this; |
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} |
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/** |
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* Calculates hash |
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* |
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* @throws InvalidStateException |
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*/ |
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public function calculate(IInput $input): string |
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{ |
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if (empty($this->privateKey)) { |
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throw new InvalidStateException('Private key is not set'); |
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} |
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$dataString = $this->mapper->stringify($input->getData(), false); |
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return hash_hmac(self::HASH, $dataString, $this->privateKey); |
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} |
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} |
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alex-kalanis /
restful
